Our Leadership

Robert Dries


Robert Dries is President of PharMerica Corporation. With over 160 pharmacies and 6,000 dedicated healthcare professionals and colleagues, PharMerica is a national leader in providing comprehensive pharmacy services with a local touch. PharMerica delivers innovative pharmacy solutions and quality of care to a broad array of healthcare markets, including long-term care, senior living, hospice, IDD/behavioral health, home infusion, specialty, and hospital management.

Mr. Dries is a distinguished healthcare executive with a proven track record of success in leading companies over a 30-year career. Before being appointed President, Mr. Dries served as Executive Vice President and Chief Financial Officer for PharMerica. Prior to joining PharMerica, Mr. Dries held several senior positions at Omnicare, Inc., most recently serving as Senior Vice President, Financial Operations. Mr. Dries began his career at KPMG, where he provided accounting, auditing, and consulting services to both public and private companies. Mr. Dries has a Bachelor of Science degree in accounting and finance with honors from the University of Kentucky.

As the President, Mr. Dries is deeply committed to providing the highest level of service and quality to those we serve. This commitment is at the core of PharMerica’s mission of “Helping people live their best life.”

Jennifer Yowler

Chief Financial Officer

Jennifer Yowler serves as the Chief Financial Officer for PharMerica in Louisville, KY. In her role, she is accountable for the administrative and financial management of the organization, including the development of a financial and operational strategy.

Jennifer has more than 20 years of experience in finance and operations in the long-term care industry. She started her career with PricewaterhouseCoopers in the audit and assurance group, working on various clients in the healthcare and insurance spectrum. She then continued her career with Omnicare, serving in various roles of progressive responsibility. Jennifer culminated her 11-year tenure with Omnicare as the Vice President of Financial Processes. From there, she served as Chief Financial Officer of Partners Pharmacy.

Jennifer holds a Bachelor of Science degree in business administration in accounting from Ohio University.

T.J. Griffin

SVP, LTC Operations & Chief Pharmacy Officer

T.J. Griffin is SVP of LTC Operations and Chief Pharmacy Officer at PharMerica. T.J. is a seasoned healthcare executive with 30 years in long-term care and retail pharmacy management. In his current role, he helps deliver on the PharMerica promise of Care, Commitment and Collaboration by maintaining the highest quality standards in the industry through innovative pharmacy operations and clinical excellence.

During his nearly 18 years at PharMerica, T.J. has held several positions, starting as Pharmacy Director, then serving as Regional Pharmacy Director and Vice President of Operations, experiences that have helped shape the company’s Community Focus, National Expertise. T.J. is also very active with the American Society of Consultant Pharmacists, serving as co-Chair of their DEA Task Force, and has a passion for governmental affairs as an advocate for our seniors and clients.

Prior to PharMerica, T.J. worked for 12 years in various management capacities with Eckerd Drug Stores in Florida. He has a Bachelor of Science degree in pharmacy from the University of Iowa.

Bill Deane, Senior Vice President of Operations and Commercialization, PharMerica

Bill Deane

Senior Vice President of Operations and Commercialization

Bill Deane serves as PharMerica’s Senior Vice President of Operations and Commercialization. In this role, he leads PharMerica’s commercialization efforts and growth initiatives in the senior living and behavioral health markets as well as the company’s at-home, cross-functional platform ContinueCare. Bill has a deep knowledge of healthcare and pharmacy, with over 25 years of experience in the industry and expertise in driving process and operational enhancements, developing key customer relationships, and growing market share.

Early in his career, he owned and operated a pharmacy business that provided long-term care, home infusion, and hospice services to customers in the Mid-Atlantic area. He later spent 13 years in various senior leadership roles at Omnicare.

Bill attended Mary Washington College in Fredericksburg, VA, where he earned a Bachelor of Science degree in biology. He graduated from the Medical College of Virginia School of Pharmacy in Richmond, VA in 1991.

Richard Lriye, President Amerita

Richard Iriye


Richard Iriye is the President of Amerita, a specialty infusion company based in Denver, CO, servicing patients throughout the country. Richard has over 30 years of national home healthcare management experience working specifically in the specialty infusion industry.

Previously, he served as COO at Amerita and Senior Vice President of Operations at Coram. Prior to Coram, Richard held management positions with Apria and Home Health Care of America. In addition to home infusion management, Richard holds a degree in pharmacy from the University of Colorado. He serves on the Board of Directors with the National Home Infusion Association and on several industry advisory boards.

John Cleary, President, Hospital Pharmacy Services Division, PharMerica

John Cleary

President, Hospital Pharmacy Services Division

John Cleary leads the Hospital Pharmacy Services Division at PharMerica, which prides itself on providing exceptional customer service, containing pharmacy costs, and meeting the pharmacy needs of hospitals, rehabilitation hospitals, long-term acute care hospitals, behavioral health hospitals nationwide.

John is a notable healthcare executive with a proven track record of success in leading and growing healthcare companies over a 20+ year corporate career. Before his foray into the healthcare industry, he had a distinguished career in the United States Navy as a Naval Officer flying carrier-based attack jets. John then began his corporate career as a Senior Consultant for Deloitte Consulting before joining the Senior Management Team as Vice President of Operations at HospiScript Services, a pharmacy benefit manager for hospice, which is now OptumRX. He then joined Institutional Pharmacy Solutions, a hospital pharmacy management company, as Vice President of Sales & Marketing and was ultimately promoted to the Chief Executive Officer role.

Cleary holds a Bachelor of Science degree in business administration in finance with honors from the University of Florida and a Master of Business Administration from the S.C. Johnson Graduate School of Management at Cornell University.

Lisa Bowen, Vice President of Marketing, PharMerica

Lisa Bowen

Vice President of Marketing

Lisa Bowen serves as the Vice President of Marketing for PharMerica. In her role, Lisa provides stewardship of the PharMerica brand, all digital and marketing functions, acquisition and retention campaigns, and development of a customer-centric culture to positively position the company in the hearts and minds of key stakeholders.

With over 25 years of broad global brand and marketing experience, Lisa is a trusted senior marketing executive, distinguished as a strategist, deliverer of results, and developer of talent. An ROI-minded professional, she is passionate about leveraging research and analytics to enhance marketing effectiveness and accountability and embracing creative approaches to challenges.

Before joining PharMerica, Lisa served as the Vice President of Account Services for RDW Group, an integrated communications agency. Previously, she was at CVS Health for 10 years, where she played a leadership role in consumer marketing planning and execution of new PBM retail solutions, and at Optum as the VP of Marketing and Business Development.

Lisa received a Bachelor of Science degree in health science and services with a minor in communications from the University of Rhode Island.

Jeremy Colvin, Senior Vice President Growth and Market Development, PharMerica

Jeremy Colvin

Senior Vice President, Growth and Market Development

Jeremy Colvin is the Senior Vice President of Growth and Market Development for PharMerica. He is a proven senior executive with more than 20 years of Fortune 500 leadership experience developing and executing strategic growth initiatives and architecting high-performance organizations focused on delivering business results and supporting long-term client relationships.

Jeremy has spent most of his career in long-term care and is personally committed to the industry’s continuing mission and values, respecting and recognizing the responsibility inherent in the care of our frail elderly. Prior to joining PharMerica, he served as the Vice President of Strategic Market Solutions for BrightSpring, where he was immersed in post-acute, at-home care delivery and value-based payer engagement. Previously, Jeremy held several senior leadership roles with CVS Health/Omnicare in sales, business development, and strategic accounts management.

Jeremy has a Bachelor of Arts degree in political science and history from the University of Kentucky.

Randy Miller, Senior Vice President, Pharmacy Product Development, PharMerica

Randy Miller

Senior Vice President, Pharmacy Product Development

Randy Miller is the Senior Vice President of Pharmacy Product Development for PharMerica. In this role, he is responsible for the strategic planning and deployment of PharMerica’s technology portfolio.

Randy has served in a technology leadership role in the healthcare industry for over 25 years. Most recently, he served as Chief Information Officer for Partners Pharmacy. Prior to that, he was the Vice President of Application Development with Omnicare.

Randy has a Bachelor of Science degree in information systems and an Associate degree in finance.

Michael J. Moyano, Vice President, Purchasing and Trade Relations, PharMerica

Michael J. Moyano

Senior Vice President, Purchasing and Trade Relations

Mike Moyano is the Senior Vice President of Purchasing and Trade Relations for PharMerica, where he leverages his extensive background of more than 20 years in healthcare, pharmacy, and supply chain settings to lead the company’s strategic initiatives.

In his role, Mike is responsible for developing and managing relationships with all pharmaceutical manufacturers, wholesalers and GPOs, generic pharmaceutical formulary, specialty programs, inventory and sourcing strategies, and third-party payor contracting, strategy, and implementation.

Previously, Mike held leadership roles with Siemens Medical, MedQuest Associates (a Novant Health company), Priority Healthcare/CuraScript (an ESI company) and Morgan Stanley.

Mike has a Bachelor of Science degree in psychology from the University of Central Florida and serves as City Commissioner-Finance in his community.

Chris Schaefer, Senior Vice President, Corporate Development, PharMerica

Chris Schaefer

Senior Vice President, Corporate Development

Chris Schaefer is Senior Vice President, Corporate Development, for PharMerica. In this role, Chris leads M&A transaction sourcing and execution across PharMerica’s long-term care pharmacy, home infusion, specialty pharmacy, and hospital pharmacy management businesses and manages numerous strategic and organic development activities. Since he joined the company, PharMerica has completed approximately 40 M&A-related transactions.

Chris is a seasoned finance, operations, and transaction professional with over 20 years of progressive experience focused on driving growth and financial performance across the continuum of healthcare products and services. He joined PharMerica in 2013 from CIT Healthcare, where he was a Director in Healthcare Investment Banking, providing leveraged loans and M&A advisory primarily to financial sponsor-backed healthcare companies. Prior to CIT, he worked in business development with Boston Heart Diagnostics and spent approximately 10 years in investment banking, including roles at BT Alex. Brown, Robertson Stephens, UBS and Thomas Weisel Partners. Over the course of his career, Chris has completed approximately 100 transactions with aggregate value of over $10 billion.

Chris earned an A.B. in economics from Harvard University and an MBA from New York University’s Stern School of Business.

Lane Sieman, Senior Vice President Client Services, PharMerica

Lane Sieman

Senior Vice President, Client Services

Lane Sieman is Senior Vice President Client Services at PharMerica, bringing over 30 years of pharmacy business leadership and consultancy experience with long-term care, infusion therapy, hospital, and retail pharmacies to his role.

Prior to joining PharMerica, Lane was the president of Intellirx LLC, a healthcare consultancy practice working with hospitals, infusion therapy companies, long-term care organizations, pharmacies, and start-up businesses. Previously, in 2003, Lane founded Health One, Inc., a specialty pharmacy company servicing long-term care organizations with medications, supplies, and pharmacy-consulting services with eleven locations in six states. Prior to that, he held executive and senior-level management positions at both publicly traded and privately held pharmacy companies.

Lane received his undergraduate degree from Carroll University in Waukesha, WI in 1985.

Rick Karsten, Senior Director of Compliance

Rick Karsten

Senior Director of Compliance

Rick Karsten is the Senior Director of Regulatory Compliance at PharMerica. Rick is a pharmacist with law enforcement and regulatory affairs experience. His early career included being Director of a Hospital Pharmacy.  He worked 25 years as a Drug Agent, Senior Drug Agent, culminating as Director of Georgia Drugs and Narcotics Agency. Rick started with PharMerica as a Director of Pharmacy in 2011 and has been serving with the Compliance Team since 2012.

Rick has worked extensively with Federal, State and local law enforcement and regulatory authorities. His healthcare practitioner and law enforcement background position him well to assure we are compliant with local, state and federal laws, rules and regulations.

Rick earned his Pharmacy degree from Mercer University in Atlanta, Georgia.

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